Finches
I have House finch (Carpodacus mexicanus) and their hybrid (white canary femaleX normal house finch male), mutation (pheo,brown)

Normal male
5 youngs

A pair of pheo

Pheo youngs

normal and pheo youngs

normal male (split pheo)X pheo female
Youngs in 2010

Pheo and pheo split youngs
Hybrides:
white canary femaleX normal house finch male

The first hybrid young in the nest

The second hatching, white feather in the tail
After molting

The first hybrid male after molting

another hybrid male

3 Carpodacus mexicanus (house finch) feo mutation from 2011

Carpodacus mexicanus (house finch) feo mutatio from 2011